From experience, I've seen an explosion in a cottage industry around sourcing and selling data. While it was more common that I'd see startups (esp mobile app companies) supplementing their primary business model by selling their data to investors or data resellers, I've recently noticed startups aimed directly at this market opportunity (Earnest Research, Second Measure, etc.) Interestingly, Priceonomics also pivoted into doing data crawling for hedge funds.